Ophthalmic mounting



March 18, 1930. N, NELS 1,750,963

OPHTHALMI C MOUNT ING Filed Nov. 23, 1927 I li I I IN VEN TOR.

A TTORNEYS.

Patented Mar. 18, 1930 UNE:-

JOHN N. NELSON, OF PROVIDENCE, RHODE ISLAND, ASSIG-NOR TO UNIVERSAL OPTICAL CORPORATION, OF PROVIDENCE, EHGDE ISLAND, A CORPORATION OF RHODE ISLAND OPHTHALMIC MOUNTING Application filed November 23, 1927. Serial No. 235,273.

This invention relates to an improved construction of ophthalmic mounting; and has for its object to provide such a mounting with a pair of eyewires having their upper edges extending longitudinally in a line substantially parallel with the medial line to the eyewires and having downwardly-inclined inner edge portions, the eyewires being connected together by a bridgebar having downwardly extending inclined side arms conforming with and secured to the correspondingly inclined portions of the eyewires to reinforce these inner portions of the eyewires and provide a mounting of attractive appear- The invention further consists in positioning the bridge bar in substantial alignment with the upper horizontal edges of the eye wires.

A further object of the invention is the provision of side arms on the bridge member inclined to register with the inclined portions of the eyewires and to extend downward substantially to the medial line thru eyewires 2 to further reinforce and stiffen the inner portions of the eyewires and provide an extended soldering surface for attachment of the bridge thereto.

lVith these and other objects in View, the invention consists of certain novel features of construction, as will be more fully described, and particularly pointed out in the appended claims.

In the accompanying drawings:

Fig. l is a front view of my improved ophthalmic mounting showing the arms of the bridge as extending down substantially to the medial line thru the eyewires.

Fig. 2 is an edge view of the mounting showing the arms of the bridge as secured to the inclined portions of the eyewires.

Fig. 3 is the same as Fig. 1 with the exception that the side arms of the bridge extend down to a point a substantial distance above the medial line of the eyewires.

Fig. 4 is a section thru the eyewires on line 4-4 of Fig. 1.

Fig. 5 is a section on line 55 of Fig. 1 thru the bridge.

It is found in the practical construction of ophthalmic mountings of precious metal having small metal eyewires, of advantage to have the inner edge portions extend downwardly on an incline from the upper edge of the wire and to provide a bridge bar having I formed circular as at 11 on their lower portions, the'upper portions 12 of these eyewires being arranged to extend in a linesubstantially parallel with the medial line thru the eyewires and have'downwardly inclined inner edge portions 13 extending from the parallel portion 12 down 'to a point adjacent to the medial line thru said eyewires.

These eyewires are connected together by a bridge bar 14 having downwardly and inwardly inclined side arms 15 arranged to extend along the inclined'surface of the eyewires and be soldered thereto. Insome instances, the lower ends of these side arms-extend to the lower edge of the inclination 13 of the eyewire, as best illustrated in Fig. 3,

while in other instances these side arms may extend beyond the point of inclination of the eyewires down to substantially the medial line thru these eyewires, as best illustrated in Fig. 1, thereby providing an extended soldering surface and at the same time reinforc- "ing the inner edges of the thin eyewiresof precious metal where the greatest strain is applied.

The bridge portion 14 is preferably substantially in alignment with the horizontal portions 12 of the eyewires presenting an attractive appearance to the mounting.

By my improved construction :I am permitted to form a frame 'whic'h is very I ight in weight, appearance and construction and at each forming a sharply defined oblique angle 7 the same'time by the reinforcing action of the mountlng is very handsome and attractlve 1n bridge arms the same is rendered very strong and durable. c 7

In some instances, I provide noseguards 16 for supporting the frame in position on the face of the wearer and the construction herein illustrated is provided with temple members17 pivoted to the eyewires 18. c

My improved construction of ophthalmic appearance, is strong and durable in construction and is very light in Weight.

v The foregoing description is directed sole-- 1y towards the constructionillustrated, but I desire itto be understood that I reserve the privilege of resorting to all themechanical changes to which the device is susceptible, the invention being defined and limited only by the terms of'the appended claims.

I claim:

1. ,An ophthalmic mounting having a pair 7 of'eyewires with their upper edges extending in a line substantially parallel with the medial line thru the eyewires and having 7 downwardly inclined inner edge portions tially parallel with said upper edge portion of the eyewires and having downwardly and with the upper edge and a second oblique angle with a portion extending at right angles to the upper edge of the eyewires and soldered thereto, the ends of the bridge side arms extending down substantially to the medial line between said eyewires to reinforce the inner edges of the said eyewires.

In testimony whereof I aflix my signature. JOHN N, NELSON. r

*inwardlyinclined portionsweach providing a V surface in a single plane and contacting with said plane surface of the inner edge portion for a substantial extent to provide an enlarged soldering surface along the corre spondingly inclined portions of the eyewires. 2. An ophthalmic mounting having a pair of eyewires with their upper edges extending c medialline thru the eyewires and having downwardly converging inner edge portions 7 each forming a sharply defined oblique angle with the upper edgeand providing a surface in a single plane, and a substantially rigid connecting bridge bar having downwardly converging side arms each providing a surwhich extend to a point adjacent line thru the eyewires;

face in a single plane and contacting with 3; An ophthalmic mounting having a pair of eyewires with their upper edges extending in a line substantially parallel with the "medial'line thru the eyewires and having downwardly inclined inner edge portions, a connecting bridge bar positioned to lie sub- 7 stantially parallel with said upper edge por- .corresp on tion of the eyewires and having downwardly and inwardly inclined portions following and contactingl for a substantial extent with the in a line substantially parallel with the ing downwardly inclined portion/ v V 

